GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - Z4VNEM714XYKNNT5J

Which of the following statement, if true, would provide the greatest support to "the alternative possibility"? A. The number of primate species in which male care of infants is exhibited is greater than the number of primate species that practice monogamy. B. Male care of infants among primates can be seen earlier in the evolutionary record than can monogamy among primates. C. Monogamous relationships among primates can be found in species living in a variety of physical environments. D. Most primate species that practice monogamy do not show any evidence of male care of infants. E. Male care of infants can be observed in some primate species that lack male confidence of paternity.